Shared Copy of Global Mahi T75 Fisheries
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Improvement StatusFisheryFishSource RatingSustainability IssuesImprovement ObjectivesImprovements (2 years)FIP Rating & CommentAdditional Improvement Needs/Comments% of Sector (Global Mahi-Mahi Supply)
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Sustainable (MSC-C or FS scores above 8)NANANANANANANA0
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Improving (FIP A-C)Common dolphinfish - Peru FAO 87 (FIP: Peru mahi mahi longline (WWF))High RiskThere are few to no management regulations at international or national levels.
There are no reference points in place so the status of mahi mahi in the EPO is currently unknown.
Longlines, which are used to target mahi mahi in the EPO, can have negative interactions with protected, endangered, or threatened (PET) species and information on these interactions and their impacts is limited.
IATTC requires only 5% observer coverage in the longline fleet. Mahi mahi are also incidentally captured in purse seine fisheries operating in EPO.
The goal of the Peru mahi mahi FIP is to move the fishery in a step-wise approach towards Marine Stewardship Council (MSC) certification by the end of 2021.FIP has been launched in Dec 2012.
A National Peruvian Working Group and
WGAM (international working group for mahi-mahi stock assessment) were created;
Stock has been assessed by the IATTC and a preliminary status has been identified. Future HCR are soon to be prepared following these results. Peru and Ecuador have met in multiple ocassions to exchange information regarding the mahi mahi fishery.
Peru has developed a specific regulation for shark catches, where finning is prohibited and regulations are established for the maintenance of stocks (DS N ° 21-2016 PRODUCE, Modified DS 10-2018 PRODUCE), in addition to developed a mandatory system to certify landings of sharks (RD N ° 076-2016-PRODUCE / DGSF), which is applied at authorized landing points (RD N ° 076-2016-PRODUCE / DGSF and RD N ° 012-2017- PRODUCE / DGSF).
A44.30%
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Improving (FIP A-C), MSC FACommon dolphinfish - Ecuador FAO 87 (FIP: Ecuador mahi mahi)High RiskThere are few to no management regulations at international or national levels.
There are no reference points in place so the status of mahi mahi in the EPO is currently unknown.
Longlines, which are used to target mahi mahi in the EPO, can have negative interactions with protected, endangered, or threatened (PET) species and information on these interactions and their impacts is limited.
IATTC requires only 5% observer coverage in the longline fleet. Mahi mahi are also incidentally captured in purse seine fisheries operating in EPO.
No reference points have been established for dolphinfish in Ecuador and management doesn't include a harvest control rule.
The magnitude of IUU fishing is unknown.
The goal of the Ecuador mahi-mahi FIP is to move the fishery in a step-wise approach towards Marine Stewardship Council (MSC) certification by June 2019.FIP has been launched in Jan 2009.
The Ecuadorian and Peruvian governments have discussed this issue over the years along with the IATTC, and the options for developing on international agreement on shared stocks has been evaluated. The IATTC scientists developed a preliminary Management Strategy Evaluation report in May 2016 which outlines the various options.
While the education and training program has not reached all fishermen, it is progressing well. SRP will continue to work with additional fishing communities to implement the turtle handling requirements. The project is complete for FIP purposes, but entered MSC FA in March 2019. https://fisheries.msc.org/en/fisheries/ecuador-mahi-mahi-coryphaena-hippurus-longline-fishery/@@view
A8.04%
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Improving (FIP A-C)Common dolphinfish - Taiwan Province of China FAO 61 (FIP: Taiwan Hsin-Kang mahi mahi longline)Data DeficientData on stock status is not available.
Reference points are unavailable.
Data on landings from the recreational sector are highly uncertain.
There is currently no management measures in place for this stock
to ensure the sustainable operation of this fishery, the goal of the Hsin-Kang mahi-mahi FIP is to move the fishery in a step-wise approach towards Marine Stewardship Council (MSC) certification by 2020.
For Hsin-Kang mahi mahi fishery, the primary objective is to conduct stock assessment for the species to determine appropriate limit reference point as the management target. Furthermore, all stakeholders should collectively decide a set of pre-agreed measures to take immediate actions (such as total allowable catch, individual vessel quota or other measure that may decrease fishing mortality) while the mahi mahi exploited rate exceeds the limit reference point, thus the resources could be utilized in a sustainable manner.

Update Jan 2018: Still in the stage of data collection, has not yet started to develop.

Update July 2018:Harvest control rules will be considered to be listed into work plan when current analyses of population dynamics, including stock structure, life history parameters and stock assessment, are completed.

Update Jan 2019: We have completed a preliminary study on the analyses of population dynamics, which including stock structure and life parameters.
The FIP started in Oct 2015 by publishing its MSC Pre-assessment and is public since March 2016.
1 July 2018 —
Port inspection and catch verification at the port of Dong-Kang, Hsin-Kang and Su-Ao respectively - 120 vessels had already been inspected in June

1 January 2018 —
Long term research project for developing the stock assessment of mahi mahi in Taiwan waters.

30 April 2016 —
Format of fishing logbook has been agreed by on by Steering Committee.

31 March 2016 —
Biological sampling taking place. Cooperation with additional countries for sampling to occur from east Pacific Ocean and area around Japan.

31 March 2016 —
Preliminary assessment of fishing effort data being conducted.

1 January 2016 —
Fishing logbooks have been designed and are provided to FIP boat owners.
B2,2%
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Improving (FIP A-C)Common dolphinfish - United States of America FAO 77 (FIP: Hawaii tuna and large pelagics - longline)Data DeficientData on stock status is not available.
Reference points are unavailable.
Data on landings from the recreational sector are highly uncertain.
There is currently no management measures in place for this stock.
Stock is mostly an incidentally caught species and not usually the primary target of exploitation
Because of the stocks life-history, Mahi-Mahi is not susceptible to over-exploitation
CPUE indices indicate a stable relative biomass in US (Hawaiian) waters.
1. Contribute to better management for bigeye tuna, including spatially deaggregated management for bigeye tuna in 2014-2017.

2. Crew welfare: clear and consistent working conditions which can be verified independently, 2016-2018.
1 July 2018 —
Hawaii code of conduct for socially responsible fisheries was implemented in May 2018 and the code of conduct was finalized and implemented May to July 2018

2 August 2017 —
2017 updated bigeye tuna stock assessment with additional spatial component and improved stock status.

1 August 2014 —
New rules to reduce overfishing.

1 May 2013 —
Management regime clarified for species without stock assessments
B<0,1%
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Improving (FIP A-C)Common dolphinfish - Indonesia FAO 57 (FIP: Longline tuna and large pelagics)There is very little information avaialable on the status of mahi mahi in the Indian Ocean region.
There are no comprehensive assessments and no international management measures in place.
Management at the national levels appears to be weak as well.
There are bycatch issues with sharks in Indian Ocean longline fisheries.
To promote traceability to ensure that the origins and status of tuna and large pelagic products purchased are well-known and all coming from legal fisheries by engaging the supply chains that support improvement
To improve the availability of accurate data on catches retained and by catch
To collaborate with other institutions working on tuna fisheries issues in the country, including working together to improve the management and policy towards sustainable fisheries.
To support and contribute to the work of the Indonesia National Tuna Management Plan
To help develop the most cost efficient vessel traceability system.
Ensure safe working conditions and workers’ rights in supply chains.
The Indian Ocean longline tuna and large pelagics PT Tuna Permata Rezeki FIP was established in 2015, consists of 35 fishing vessels. PT Tuna Permata Rezeki is a member of Indonesian Tuna Association (ASTUIN).

31 January 2017 —
VTS have been allocated for use on offshore vessels.

27 February 2016 —
Onboard observers between January and February 2016.

31 December 2015 —
Observers onboard FIP vessels

31 December 2015 —
FIP vessels have updated fishing license and improved data reporting.

30 June 2015 —
MOU signed with Research Institute for Tuna Fisheries for an onboard longline observer program.

30 June 2015 —
Catch data (2013/14) entered into database
C<0,1%
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Improving but insufficient (FIP declared Inactive in Feb 2019))Common dolphinfish - Panama FAO 77 (FIP: Panama yellowfin tuna and mahi mahi)High RiskThere are few to no management regulations at international or national levels.
There are no reference points in place so the status of mahi mahi in the EPO is currently unknown.
Longlines, which are used to target mahi mahi in the EPO, can have negative interactions with protected, endangered, or threatened (PET) species and information on these interactions and their impacts is limited.
IATTC requires only 5% observer coverage in the longline fleet. Mahi mahi are also incidentally captured in purse seine fisheries operating in EPO.
To collaborate with ARAP, fishery stakeholders, and research institutions in implementing a plan for research and monitoring in the mahi-mahi fishery.
To make the necessary arrangements to evaluate the status of the mahi-mahi stock at the regional level.
To promote the development of assessment tools to help estimate the status of mahi-mahi population along the Eastern Pacific, including the adoption of biological reference points and coherent rules to guide the decision-making process (harvest strategy).
To promote the adoption of the Ecosystem Approach to Fisheries (EAF).
To assist ARAP in the design and implementation of and Onboard Observers Program for the longline fleet to study the interaction of the fishery with target and non-target species.
To promote studies aimed at identifying, and possibly mitigating, the impacts of this fishery on the target stock and other ecosystem components using the Risk Assessment framework as a tool to understand risks and ways to minimize them.
To promote the enhancement of the transparency of research results and fishery information.
In July 2017, the final document on the characterization of fishing activity in the Special Marine Protection Zone adjacent to the Coiba National Park and a proposal for a management plan were turned in to authorities. This consultancy was conducted by CeDePesca under commission by Conservation International. The project included the implementation of an onboard observers program that gathered data on fishing activities, including mahi-mahi in the area of study.

Also in July, the program for the extraction and conservation of otoliths of the mahi mahi coordinated by ARAP, IATTC and CeDePesca started in processing plants. FIP partner Panalang is participating from the program.

On September 12th, Executive Decree No. 126 of 2017 was published in the Official Gazette No. 28365-B. The decree is a step forward in the management of the Panamanian mahi-mahi and yellowfin tuna, as it issues regulations regarding the use of longlines in waters under jurisdiction of the Republic of Panama. The rule mandates the following regarding the fishing gear and fishing capacity: The number of vessels or the total hold capacity of the fleet recorded and authorized for longline fishing shall not be increased; surface longlines shall have a maximum of one thousand (1,000) circular hooks without a turn; circular hooks must be at least N°14/0; longlines must be operated at depths greater than 9 meters. Regarding monitoring, the obligatory use of the fishing log has been stipulated and an official Onboard Observers Program for longline fishing must be implemented by ARAP; however, it should be noted that no timeframe or deadline is set for the implementation. Regarding non-target species, the rule mandates that vessels using longlines as fishing gear must keep on board and use the appropriate equipment to release marine turtles and other ETP species alive. Regarding fishing effort, a closure period is set for mahi-mahi from August 15th to October 15th each year.

In January 2018 , the Commission for the Sustainable Management of Fishing in the Special Marine Protection Zone sanctions Agreement No. 01-ZEPM-2018, which approves the regulation of productive activities that take place in the Special Marine Protection Zone. This agreement establishes management measures, sustainable use and conservation of the mahi mahi (Coryphaena hippurus) and yellowfin tuna (Thunnus albacares) resource, among others. It establishes for the horizontal surface longline a maximum of 500 hooks, circular type without turning and minimum size 14/0. Establishes a temporary closure for mahi mahi, in the period from August 15 to October 15 of each year.

This agreement has to be reviewed by the Scientific Committee of the Coiba National Park and approved by the Board of Directors of the Coiba National Park and finally published to be effective.

In March 2018, the Commission for the Sustainable Management of Fisheries in the Special Marine Protection Zone, through Agreement No. 02-ZEPM-2018 of March 14, 2018, modifies Agreement No. 01-ZEPM-2018 of January 26, 2018. By which the regulation of the productive activities that are developed in the ZEPM is approved. This agreement establishes management measures, sustainable use and conservation of the mahi mahi (Coryphaena hippurus) and yellowfin tuna (Thunnus albacares) resource, among others. It establishes for the horizontal surface longline a maximum of 500 hooks, circular type without turning and minimum size 14/0. Establishes a temporary closure for mahi mahi, in the period from August 15 to October 15 of each year.

In May 2018 the Governing Council of the Coiba National Park through Agreement No. 001-2018 of May 3, 2018 approves the regulation of the productive activities that take place in the Special Zone of Marine Protection, adopted by the Agreement No.01-ZEPM- 2018 of January 26, 2018, as amended by Agreement No. 02-ZEPM-2018 of March 14, 2018.

In January 2019, the Board of Directors of Coiba National Park published in Official Gazette No. 28700-A on Wednesday, January 23, 2019 Agreement No. 001-2018 of May 3, 2018.
Inactive0.34%
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Improving but insufficient (FIP D-E)Common dolphinfish - Peru FAO 87 (FIP: Peru mahi mahi longline (Confremar))High RiskThere are few to no management regulations at international or national levels.
There are no reference points in place so the status of mahi mahi in the EPO is currently unknown.
Longlines, which are used to target mahi mahi in the EPO, can have negative interactions with protected, endangered, or threatened (PET) species and information on these interactions and their impacts is limited.
IATTC requires only 5% observer coverage in the longline fleet. Mahi mahi are also incidentally captured in purse seine fisheries operating in EPO.
The objective is to promote sound management of Peru mahi-mahi (Dorado, Perico) in the offshore longline artisanal fishing fleet by aligning the fishery with the Marine Stewardship Council standard for sustainable fisheries (with direct support from the export supply chain) by 2020.FIP has been launched in Oct 2016.
Research on blue shark in the Peru fishery has been collected.
E4.57%
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Improving but insufficient (FIP D-E)Common dolphinfish - Guatemala FAO 77 (FIP: Guatemala mahi mahi)High RiskThere are few to no management regulations at international or national levels.
There are no reference points in place so the status of mahi mahi in the EPO is currently unknown.
Longlines, which are used to target mahi mahi in the EPO, can have negative interactions with protected, endangered, or threatened (PET) species and information on these interactions and their impacts is limited.
IATTC requires only 5% observer coverage in the longline fleet. Mahi mahi are also incidentally captured in purse seine fisheries operating in EPO.
Recollection of fisheries dependent and independent data to contribute to regional stock assessment in collaboration with other countries and IATTC
Evaluation of the risks to by-catch species through systematic collection of interactions information and periodic workshops
Approval of a participatory and effective management frame, including a Management Plan and, eventually, measures to mitigate ecosystem impacts.
Participation in international efforts to coordinate science and management for this stock
FIP has been launched in April 2013, but was declared inactive in Feb 2019inactive0.00%
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Fishery Target of SRCommon dolphinfish - Peru FAO 87High RiskThere are few to no management regulations at international or national levels.
There are no reference points in place so the status of mahi mahi in the EPO is currently unknown.
Longlines, which are used to target mahi mahi in the EPO, can have negative interactions with protected, endangered, or threatened (PET) species and information on these interactions and their impacts is limited.
IATTC requires only 5% observer coverage in the longline fleet. Mahi mahi are also incidentally captured in purse seine fisheries operating in EPO.
Expansion of current FIP to cover the full national productionNA2.59%
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Fishery Target of SRCommon dolphinfish - Ecuador FAO 87High RiskThere are few to no management regulations at international or national levels.
There are no reference points in place so the status of mahi mahi in the EPO is currently unknown.
Longlines, which are used to target mahi mahi in the EPO, can have negative interactions with protected, endangered, or threatened (PET) species and information on these interactions and their impacts is limited.
IATTC requires only 5% observer coverage in the longline fleet. Mahi mahi are also incidentally captured in purse seine fisheries operating in EPO.
No reference points have been established for dolphinfish in Ecuador and management doesn't include a harvest control rule.
The magnitude of IUU fishing is unknown.
Expansion of current FIP to cover the full national productionNA1.44%
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Fishery Target of SRCommon dolphinfish - Costa Rica FAO 77High RiskThere are few to no management regulations at international or national levels.
There are no reference points in place so the status of mahi mahi in the EPO is currently unknown.
Longlines, which are used to target mahi mahi in the EPO, can have negative interactions with protected, endangered, or threatened (PET) species and information on these interactions and their impacts is limited.
IATTC requires only 5% observer coverage in the longline fleet. Mahi mahi are also incidentally captured in purse seine fisheries operating in EPO.
Although limited information is available on longline fisheries (Whoriskey et al., 2011), there is a shortage of catch, bycatch, discard and fishing effort data for mahi mahi from both industrial and artisanal handline and troll fleets in Costa Rica waters.
Catches of mahi mahi from small-scale and recreational vessels are not adequately quantified. There appears to be substantial illegal fishing of pelagic fish including mahi mahi from foreign and unregistered domestic fleets in Costa Rica’s EEZ and beyond.
Spawning grounds of mahi mahi are poorly known in the Pacific Ocean (Alejo-Plata et al., 2011b).
Costa Rica has implemented a number of IATTC sea turtle management measures but has had some compliance issues with regard to providing data on sea turtle interactions to IATTC.
A FIP is in development at national level for all large pelagic species. A first draft of the pre-assessment was delivered to the FIP participants NA1.87%
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Fishery Target of SRCommon dolphinfish - Indonesia FAO 71Data DeficientData on stock status is not available.
Reference points are unavailable.
Data on landings from the recreational sector are highly uncertain.
There is currently no management measures in place this stock
NA6,7%
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Fishery Target of SRCommon dolphinfish - Indonesia FAO 57High RiskThere is very little information avaialable on the status of mahi mahi in the Indian Ocean region.
There are no comprehensive assessments and no international management measures in place.
Management at the national levels appears to be weak as well.
There are bycatch issues with sharks in Indian Ocean longline fisheries.
NA2,7%
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Total:74,7%
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Sustainable0%
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Improving54,5%
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Mobilise (FIP Catalysation Priorities)5,9%
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Engage (Leverage Development Priorities)4,9%
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Identify (Supply Chain mapping/Analysis)9,4%
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Targeted 2019 status (Sust/Imp+ Mobilise)60,4%
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